ossimH5GridModel.h

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//*****************************************************************************
// FILE: ossimH5GridModel.h
//
// License:  LGPL
// 
// See LICENSE.txt file in the top level directory for more details.
//
// AUTHOR: David Burken
//
// Copied from Mingjie Su's ossimHdfGridModel.
//
// DESCRIPTION:
//   Contains declaration of class ossimHdfGridModel. This is an
//   implementation of an interpolation sensor model.
//
//*****************************************************************************
//  $Id$

#ifndef ossimH5GridModel_HEADER
#define ossimH5GridModel_HEADER 1
#include <ossim/base/ossimPolygon.h>
#include <ossim/projection/ossimCoarseGridModel.h>

#include <ossim/plugin/ossimPluginConstants.h>

#include <string>

// Forward class declarations:
class ossimDpt;
class ossimGpt;
namespace H5
{
   class DataSet;
   class H5File;
}

/******************************************************************************
 *
 * CLASS:  ossimH5GridModel
 *
 *****************************************************************************/
class OSSIM_PLUGINS_DLL ossimH5GridModel : public ossimCoarseGridModel
{
public:

   ossimH5GridModel();
   
   virtual ~ossimH5GridModel();

   bool setGridNodes( H5::DataSet* latDataSet,
                      H5::DataSet* lonDataSet,
                      const ossimIrect& validRect );
   
   virtual bool saveState(ossimKeywordlist& kwl, const char* prefix=0) const;

   virtual bool loadState(const ossimKeywordlist& kwl, const char* prefix=0);

   virtual void  worldToLineSample(const ossimGpt& world_point,
                                   ossimDpt&       image_point) const;

protected:

   void initializeModelParams(ossimIrect imageBounds);

   virtual ossimDpt extrapolate( const ossimGpt& gp ) const;
   
private:
   
   bool getWktFootprint( std::string& s ) const;
   
   void debugDump();

   bool m_crossesDateline;

   //---
   // This polygon differs from base "theBoundGndPolygon" in that if the
   // scene crosses the dateline the longitude values are stored between
   // 0 and 360 degress as opposed to -180 to 180.
   //---
   ossimPolygon m_boundGndPolygon;
   
   TYPE_DATA
};

#endif /* Matches: #ifndef ossimH5GridModel_HEADER */